MSHA Tightens Safety Rules After Sago Mine Blast

Law360, New York (May 10, 2007, 12:00 AM EDT) -- An explosion at International Coal Group Inc.’s Sago mine that killed 12 miners has spurred the U.S. Mine Safety and Health Administration to tighten safety regulations, the agency said after releasing a report that found that lightning sparked the blast.

In response to the findings, MSHA on Wednesday said it would require that the sealed-off areas of mines where workers escape to during an explosion should be made to withstand an overpressure of 50 pounds per square inch, up from 20 psi.

“The 20-psi standard for...
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